Dr. Maria F. Theodoulou, M.D., is a board‑certified internist and medical oncologist renowned for her expertise in breast oncology. She earned her medical degree from the University at Buffalo Jacobs School of Medicine in 1988. She completed both her internship and residency in Internal Medicine at North Shore University Hospital–Cornell and Memorial Sloan Kettering Cancer Center, followed by a fellowship in Medical Oncology at Memorial Sloan Kettering Cancer Center.
Dr. Maria F. Theodoulou, M.D., is a board‑certified internist and medical oncologist renowned for her expertise in breast oncology. She earned her medical degree from the University at Buffalo Jacobs School of Medicine in 1988. She completed both her internship and residency in Internal Medicine at North Shore University Hospital–Cornell and Memorial Sloan Kettering Cancer Center, followed by a fellowship in Medical Oncology at Memorial Sloan Kettering Cancer Center.
The reviews listed below were collected independently of New York Oncology Hematology through rater8. Each review represents an authentic and verified patient experience.
Dr T is the best!
(2 weeks ago)
Dec-2025
My initial visit with Dr. Theodoulou was very thorough. She clearly cares about her patients.
(3 weeks ago)
Nov-2025
Dr. Theodoulou is the absolute best oncologist in New York State. She saved my life. As an novo Stage IV Breast Cancer patient, I have hope for a future with her care.
(1 month ago)
Nov-2025
She always listens to my concerns and takes time to answer any questions. I trust her 100%!
(1 month ago)
Nov-2025
She's the best! How lucky NYOH and we patients are to have her!
(1 month ago)
Nov-2025
Hudson Cancer Center
69 Prospect Ave. Hudson, NY 12534
Dr. Maria F. Theodoulou, M.D., is a board‑certified internist and medical oncologist renowned for her expertise in breast oncology. She earned her medical degree from the University at Buffalo Jacobs School of Medicine in 1988. She completed both her internship and residency in Internal Medicine at North Shore University Hospital–Cornell and Memorial Sloan Kettering Cancer Center, followed by a fellowship in Medical Oncology at Memorial Sloan Kettering Cancer Center.
Dr T is the best!
My initial visit with Dr. Theodoulou was very thorough. She clearly cares about her patients.
Dr. Theodoulou is the absolute best oncologist in New York State. She saved my life. As an novo Stage IV Breast Cancer patient, I have hope for a future with her care.
She always listens to my concerns and takes time to answer any questions. I trust her 100%!
She's the best! How lucky NYOH and we patients are to have her!